There is a difference in the “workability” of copper foil. We sell only EDCO foil which is not only consistent in quality, it is also the right thickness for wrapping glass edges without tearing or binding. In addition, the adhesive used in EDCO foil is of premium quality promoting a secure bond so that it stays in place while you solder. As with any foiling process, be sure that glass surfaces are dry as well as free of oil, grease, wax and grinder residue. Another point to remember is that coppper foil will last longer when stored if it is kept cool; long periods of heat exposure can reduce the bonding property. Did you know that copper foil is available with backing coatings to match your finish? We offer not only the traditional copper backed foil for a copper finish, but also silver and black backed foil for those finishes…all in a variety of widths. It is a good idea to be aware of foil backing when using clear or highly transluscent glass because the foil backing can be visable when viewing your work from an angle. However, when your work calls for opaques, dense color mixes or very dark transluscents, use the lower priced copper backed foil since the backing will not be visable !

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When working with the Tiffany (copper foil) method of stained glass construction, it is possible to create a specific finish on solder lines. We sell effective chemicals called patinas for this purpose. Patinas are pre-mixed liquids and are very easy to apply. Copper and black are the most popular finishes. Antique brass is also a choice, but it should be noted that this finish is not as consistent as the others. If you prefer a silvery/pewter finish, no patina is required since the solder used in construction will remain in its natural state until the passage of time transforms the finish into a subtle metallic gray. It is always important to clean your work carefully with lots of water and a mild detergent or a chemical cleaner before applying patinas. This process should be completed immediately after soldering. It doesn’t take long for solder to oxidize and once this happens, patinas have reduced bonding capacity to create the finsih desired. You will find that any finish will soften with time taking on a weathered appearance. Lightly buffing your solder lines with a product such as Never Dull will bring back the original silvery finish of natural solder and restore the vitality of a copper finish.

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